Improvement in fire and burglar proof safes



of the same, refe Y companying drawing, making a part of this PATENT OFFICE.

F. C. GOFFIN, OF NEW YORK,

IMPROVEMENT I'N FIRE Specification forming part of Letters Patent No. IO,

To all whom t may concern:

Be it known that I, F. C. GOFFIN. of the city, county, and State of New York, have invented a new and useful Improvement in Iron Safes, Bank-Vault Doors, Snc., whereby they are rendered re-proot and burglarproof, and which I term Crystal Safes and Doors, and I do hereby declare that the following is .a full clear, and exact description rence being. had to the acspecification, which drawing is a vertical section of a safe constructed according to my approved plan.

The nature o ing the space be safe or door, either glass or slag in a vitri fniy invention consists in filltween the two casings of a wholly or in part, with tied state, for the purpose ot' rendering the safe or door hre-prooi', and also proof against burglars, glass being a poor conductor of heat, and so hard as to prevent the operation of boring or drilling through the sides of the safe or door.

In the accompanying drawing, sents the external casing, which is A repre of metal,

N'. YJ, ASSIGNOR TO A. B. ELY.

AND BURGLAR vPROOF SAFES.

317, dated February 14, 1554; Reissue No. 263, dated April 23, 1854.

and B the internal casing, also of metal, the requisite space being` left between the two in the same manner as in the ordinary fire-proof safes now in use.

C is the glass with which the space between `the casings A B is filled. The glass may be poured molten into the space; or thick plates of glass may be formed and placed within, l through which it is practically impossible t0 I drill or bore.

The plates may by any proper niet vious that they nee I do not claim forming sa double casings; but,

Having described my claim is The use of glass or slag in -in the filling of safes or vau poured molten intothe spaces or plates, substantially as described.

, F. O. GOFFIN.

be confined to the casings hods, and they are so obd not be specified.

fes or doors with in vention what I a vitriiied state lt-doors, either'` inserted in Witnesses:

L. PITKIN, W. N. ELY. 

